Features: 1. Comfort Level Indicator: This room thermometer adopts comfort level indicator which ensures proper temperature control, help you maintain a comfortable environment in your home. 2. Large Screen: This humidity sensor adopts large screen, reading more easily under different environment. 3. High Accuracy: This digital hygrometer is pre calibrated to enable accurate temperature and humidity measurements. Room temperature meter displays high and low records for the past 24 hours and all times 4. Easy Installation: This digital thermometer can be easily attached to you fridge, wall and table. 5. Wide Application: This indoor thermometer is suitable for baby room, nursery, office, closet, incubator, greenhouse, garden, cellar, basement, glass container, etc. Specification: Item Type: Room Thermometer Material: ABS, Aluminium Open Area Transmission Distance: 90 Meters / 98.43yd Frequency: 433.9MHZ Update Rate: 60S Indoor Temperature Range: 0 to 60℃ Outdoor Temperature Range: Minus 40℃ to 60℃ Indoor Accuracy: ±1℃ Indoor Humidity Range: 10 to 99% Outdoor Humidity Accuracy: ±5% Battery: 4 x 1.5V AAA Battery (Battery Not Included) Weight: Approx. 180g / 6.35oz Package List: 1 x Room Thermometer (Battery Not Included) 1 x User Manual Features Comfort Level Indicator: Ensures optimal temperature control for a comfortable environment at home. Large Screen Display: Easy-to-read readings even in different environments. High Accuracy: Precisely measures temperature and humidity for accurate readings. Easy Installation: Attach it to your fridge, wall, or table effortlessly. Wide Application: Suitable for various spaces such as baby rooms, offices, closets, greenhouses, and more.